By which process does the smell of cooking spread to all the rooms in a house?

Related Mcqs:

1. Cooking gas is mixture of which two gases?

   A. Hydrogen and oxygen
   B. Methane and CO2
   C. Methane and oxygen
   D. None of these

   Submitted by: Muhammad Mumtaz Haider

2. Non stick cooking utensils are coated with________?

   A. Black paint
   B. PVC
   C. Teflon
   D. polystyrene

   Submitted by: Muhammad Ali Kunbhar

3. The over-cooking of food should be avoided because____________?

   A. Make the food difficult to digest
   B. Reduce the nutrition value of food
   C. Make food Poison
   D. None

   Submitted by: Naintara Mustafa

4. Which of the following disease is spread by Fleas?

   A. Small pox
   B. Tetnus
   C. Typhus
   D. Yellow fever

   Submitted by: Malik Asghar Hussain

5. “Plague” is a disease, spread by?

   A. Cow
   B. Cat
   C. Rat
   D. Dog

   Submitted by: Mansoor Ahmed Suhag

6. During which process does heat transfer occur because of density differences__________?

   A. Convection 
   B. Radiation
   C. Conduction
   D. None of these

   Submitted by: Rida

7. During which process of energy exchange does cold air displace warmer air?

   A. Convection 
   B.  Radiation
   C.  Conduction
   D.  None of these

   Submitted by: Rida

8. The Green House Effect is caused by an excess of ?

   A. Carbon dioxide
   B. Carbon monoxide
   C. Carbon tetrachloride
   D. None of the above

9. “Green House Effect” means:____________?

   A. Pollution
   B. Prevention of ultraviolet rays
   C. Trapping of Solar energy due to atmospheric carbon dioxide
   D. D. None

   Submitted by: Shahzeb Malik

10. Which of the gas is not known as green house gas?

    A. Methane
    B. Nitrous oxide
    C. Carbon dioxide
    D. Hydrogen

    Submitted by: Farjan Ahmed Soomro